One app_key unlocks identity, AI, payment, storage and devtools. Standard protocols, ready to use.
OAuth 2.1 + PKCE unified auth & federated identity
Unified authorization server issuing access_token / id_token; cross-app SSO, scope management, usage billing. One integration, all products.
OpenAI-compatible multi-model chat & flow
Bearer JWT auth (UM-issued); /v1/chat/completions and /v1/models fully OpenAI-compatible — existing SDKs work with zero changes.
Agent orchestration & multimodal model access
OpenAI-compatible proxy + agent workflow orchestration; supports image/video/audio multimodal; binary upload endpoint for assets.
Free AI API aggregation gateway
Unified API entry for 200+ AI models; API Key auth; covers chat, image, video, audio generation; free tier included.
Multi-channel payment & reconciliation
WeChat/Alipay dual channel, HMAC-signed callbacks, unified order/refund/reconciliation endpoints; syncs with UM billing quota.
File storage & user management
File upload/download/management endpoints; user auth & RBAC; chunked upload & private buckets; per-app isolation.
One-stop membership & top-up card issuance and redemption
Lianhong Card Store sells and redeems membership / top-up cards; users sign in via UM unified identity, orders sync with UM billing quota.
Unified integration entry for the intelligent trading system
Integration entry of the Lianhong intelligent trading system (the win preview site is its landing page). Partners authorize via UM open interface to access trading capabilities; backend at lh.yunjii.cn.
Text/image to creative video in one click
Yunjii AI video studio: turn text or images into effect-rich short videos; UM unified login; generation tasks tied to quota.
Visually orchestrate agents and multi-step workflows
Yunjii agent workstation: drag-and-drop agents and toolchains, authorized via UM open interface; chat, task automation and collaboration.
Lyrics/composition/vocals — one-stop AI music generation
Yunjii AI music studio: turn an idea into a full track; UM unified login; creation tied to quota.
Live QR / anti-block links with channel analytics
Yunjii anti-red system: live QR codes, anti-block short links and channel analytics; supports UM quick login (keeps its own accounts); partners authorize via UM open interface.